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All results from a given calculation for CHFClCHFCl (1,2-dichloro-1,2-difluoroethane RR)

using model chemistry: MP3=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP3=FULL/3-21G
 hartrees
Energy at 0K-1189.370315
Energy at 298.15K-1189.373535
HF Energy-1188.831775
Nuclear repulsion energy365.463435
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP3=FULL/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3212 3212 1.14      
2 A 1447 1447 3.57      
3 A 1314 1314 21.88      
4 A 1156 1156 128.79      
5 A 1069 1069 38.02      
6 A 761 761 57.11      
7 A 400 400 3.84      
8 A 280 280 0.98      
9 A 154 154 1.56      
10 A 76 76 1.07      
11 B 3225 3225 2.83      
12 B 1375 1375 2.36      
13 B 1257 1257 34.93      
14 B 1124 1124 4.49      
15 B 747 747 99.81      
16 B 398 398 17.96      
17 B 349 349 14.80      
18 B 315 315 11.66      

Unscaled Zero Point Vibrational Energy (zpe) 9329.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9329.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/3-21G
ABC
0.08993 0.05771 0.03658

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.236 0.723 0.445
C2 0.236 -0.723 0.445
H3 -1.315 0.811 0.362
H4 1.315 -0.811 0.362
F5 0.236 1.323 1.611
F6 -0.236 -1.323 1.611
Cl7 0.514 1.632 -1.031
Cl8 -0.514 -1.632 -1.031

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52181.08602.18351.39402.35541.88912.7937
C21.52182.18351.08602.35541.39402.79371.8891
H31.08602.18353.09042.05702.69802.44212.9241
H42.18351.08603.09042.69802.05702.92412.4421
F51.39402.35542.05702.69802.68782.67544.0349
F62.35541.39402.69802.05702.68784.03492.6754
Cl71.88912.79372.44212.92412.67544.03493.4223
Cl82.79371.88912.92412.44214.03492.67543.4223

picture of 1,2-dichloro-1,2-difluoroethane RR state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 112.642 C1 C2 F6 107.684
C1 C2 Cl8 109.509 C2 C1 H3 112.642
C2 C1 F5 107.684 C2 C1 Cl7 109.509
H3 C1 F5 111.478 H3 C1 Cl7 107.234
H4 C2 F6 111.478 H4 C2 Cl8 107.234
F5 C1 Cl7 108.206 F6 C2 Cl8 108.206
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability